Thore F. Sager

RD4 Dynamics of the Ocean Floor - Marine Geodynamics 

Room: 8C-206
Tel: 0431-600-2325

GEOMAR Helmholtz Centre for Ocean Research Kiel
Wischhofstraße 1-3
D-24148 Kiel, Germany


Research interests

  • 2D and 3D seismic interpretation
  • Structural tectonics
  • Inversion tectonics
  • Submarine landslides
  • Marine geohazards
  • Halokinesis


  • 2017 - 2019 MSc. at Aarhus University
  • 2019 - present PhD-student at GEOMAR Helmholtz Centre for Ocean Research Kiel (DFG Project TRISCO)

Scientific cruises

RV Sonne Cruise SO277 August – October 2020, OMAX (SMART and MAPACT), Mediterranean Sea

RV Pourquoi Pas? January 2022, FOCUSX2, Etna  

Conferences and summer schools

  • EGU 2019, Vienna 07-12 April
  • DHRTC Summer School 2018, Copenhagen and Esbjerg "1st DHRTC Summer School on Mature Oil Fields"
  • DGG 2021, Kiel 01-05 March (online)
  • EGU 2021, Vienna 19-30 April (online)
  • ISSMMTC 2020, 21-23 June 2021 (online)
  • EGU 2022, Vienna 23-27 May 
  • Internaltional Conference on Seafloor Landforms, Processes 2022, and Evolution, Valetta 4-6 July


Member of the GEOMAR DokTeam - the representation of doctoral researchers at GEOMAR (2021, 2022)

Helmholtz Junior - the representation of doctoral researchers in the Helmholtz Association of German Research Centres (2021, 2022)

  • Treasurer
  • Speaker of the Events Team

Abstracts and Posters

  • Sager, T. F.; Rønø Clausen, O.; Hundebøl Hansen, T.: "Structural and depositional evolution of the Lower Cretaceous in the Danish Feda Graben Area – an analysis based on 3D seismic data”, EGU2019
  • Sager, T. F., Urlaub, M., Kaminski, P., Lastras, G., Canals, M., and Berndt, C.: "Evolutionary development and volume balance calculations of the Ana Slide in the Eivissa Channel, Western Mediterranean", EGU2020
  • Sager, T. F., Urlaub, M., Geersen, J., Berndt, C.: Volume balance of frontally confined submarine landslides - a case study of the Ana Slide, Eivissa Channel, western Mediterranean Sea, EGU2022
  • Sager, T. F., Urlaub, M., Berndt, C.: "The seafloor morphology of submarine landslides - what can they tell us about landslide development?", International Conference on Seafloor Landforms, Processes, and Evolution, Valetta 2022


Scientific outreach

SO277 OMAX: SMART (Sustainable Management of Offshore Groundwater Resources) and MAPACT-ETNA (Monitoring and Mapping Active Deformation offshore Mount Etna)

SoMe contents on official GEOMAR channels


  • Kaminski, P., Sager. T. F., Grabe, J., Urlaub, M.: "A new methodology to assess the potential of conjectural trigger mechanisms of submarine landslides exemplified by marine gas occurence on the Balearic Promontory", Engineering Geology,